>> the benefit to the city is if it's better for passengers, it's better for the city. >> how long do i have to stand with my arm out whilst taxis pass me with lights off? because someone hailed them halfway across manhattan? >> i think the main way people get taxis is the old-fashioned stick your hand in the air. especially during the day in midtown, downtown. i don't drivers will need this app to find passengers. there are plenty of passengers. this app will be most useful late at night, on the edges of the taxi service area. that way, a taxi knows there's somebody three, four blocks away. >> didn't they try this in the 1980s? wasn't it abandoned because it didn't work, because there weren't enough taxis to fulfill the plan to come through? >> in the old day, it was both by radio and street hail. then they created the black car and car service industry. but now, with technology, you can have a car do both of these, and they can figure out the most efficient way to operate themselves. you know, we think you let the market figure out what's the most efficient. >> you have to think, in